Staff AI Engineer: RL, Agents & Long-Horizon Tasks in London

Staff AI Engineer: RL, Agents & Long-Horizon Tasks in London

London Full-Time 72000 - 88000 £ / year (est.) On-site
Stealth - AI x Bio

At a Glance

  • Tasks: Teach AI agents to learn through reinforcement learning and design innovative tasks.
  • Company: Stealth - AI x Bio, a cutting-edge company bridging biology and AI.
  • Benefits: Competitive salary, flexible work locations, and opportunities for professional growth.
  • Other info: Join a dynamic team in London or San Francisco with exciting career prospects.
  • Why this job: Make a real impact in AI while collaborating with top scientists and engineers.
  • Qualifications: Experience in Python, PyTorch, and a passion for AI and biology.

The predicted salary is between 72000 - 88000 £ per year.

Stealth - AI x Bio is hiring a role focused on teaching our agents to learn through reinforcement learning.

You will design harnesses and long-horizon tasks, train LLMs with RL, and build robust evaluation methods, often bridging biology and AI teams in London or San Francisco.

You will work with scientists and engineers to ensure careful reward design, detect reward hacking, and advance agent capabilities using Python and Py Torch in a collaborative, open development environment.

Staff AI Engineer: RL, Agents & Long-Horizon Tasks in London employer: Stealth - AI x Bio

Substrate is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration at the intersection of AI and biology. Located in London, employees benefit from hands-on experience in cutting-edge molecular characterisation, with ample opportunities for professional growth as they contribute to pioneering automated lab solutions. The company prioritises quality and reproducibility, ensuring that every team member plays a vital role in shaping the future of biological data generation.

Stealth - AI x Bio

Contact Details:

Stealth - AI x Bio Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Staff AI Engineer: RL, Agents & Long-Horizon Tasks in London

✨Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Stealth - AI x Bio or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

✨Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Stealth - AI x Bio.

✨Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Stealth - AI x Bio.

✨Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Stealth - AI x Bio that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Staff AI Engineer: RL, Agents & Long-Horizon Tasks in London

Reinforcement Learning
Long-Horizon Task Design
Large Language Models (LLMs)
Python
PyTorch
Evaluation Methodologies
Reward Design

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Stealth - AI x Bio.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Stealth - AI x Bio and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Stealth - AI x Bio

✨Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

✨Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Stealth - AI x Bio uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

✨Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

✨Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.